AOL has released a preview version of its new AIM instant-messaging client. But in some cases, that software inserts intrusive marketing messages into all of your chats--even when you aren't using AIM.

If you've never used Multi-Touch gestures on your Mac, Lion's new emphasis on them may make you feel as though you're being asked to learn a new language. Which, in a way, you are. Here's how to climb the learning curve as smoothly as possible.

Many Tricks' Time Sink isn't the only app that can keep track of what you do on your Mac, but it's certainly one of the easiest to use. If you need to keep track of billable hours, or just want to optimize your productivity, Time Sink can help contribute to a fine-grained time-tracking system.